Views:4 Author:Site Editor Publish Time: 2019-03-12 Origin:Site
We all know that when we analyze two things, we will find out the differences and similarities between them. Today we want to analyze the relationship between drying and curing between ordinary inks and UV inks. Then we must understand that there is a relationship between them. What is the difference, what is the principle of drying and curing, please see below for details.
There is a difference between ordinary inks and UV inks. First, the systems of ordinary inks and UV inks are different, and the physical and chemical processes that occur during their drying and curing process are also different. More obvious, the equipment for drying and curing is also different. For ordinary inks we use the concept of drying, for UV inks we use the concept of curing. Now the presses of the press are equipped with both drying and curing equipment, so we must know more about their drying and curing principles.
Drying principle of ink: Polarized polymerization reaction occurs in the air with dry vegetable oil as a binder to change the molecular morphology of vegetable oil. Thereby it is fixed on the surface of the substrate and dried. This process of using oxidative polymerization to convert oil from a low molecular weight liquid to a network of macromolecules is called drying of the ink. It has the same effect as UV curing. After the ink is dried, the surface gloss is high, the ink film is firm, and it is resistant to scratching.
UV light curing principle of UV ink: UV ink is cured by ultraviolet irradiation. UV ink curing requires a small amount of photoinitiator to be added, and polymerization occurs under the action of photoinitiator and ultraviolet light. Thereby changing the molecular morphology to cure the ink. This reaction can be done in seconds or even less.
Through the above introduction, we know the relationship between the drying of ordinary inks and the curing of UV inks. Then we can choose more inks on the inks or operate the machines in the future, which will undoubtedly avoid a lot of trouble for us.
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